/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2000,2007 Ronald G. Minnich <rminnich@gmail.com>
 * Copyright (C) 2007-2008 coresystems GmbH
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <cpu/x86/mtrr.h>
#include <cpu/x86/cache.h>
#include <cpu/x86/post_code.h>

#define CPU_PHYSMASK_HI  (1 << (CONFIG_CPU_ADDR_BITS - 32) - 1)

	/* Save the BIST result. */
	movl	%eax, %ebp

cache_as_ram:
	post_code(0x20)
	/*
	 * Nothing to do here on qemu, RAM works just fine without any
	 * initialization.
	 */

	post_code(0x21)
	/*
	 * Set up the stack pointer, use top of real mode (640k) memory.
	 * This value also keeps the copy_and_run stack out of the way
	 * of big ramstages. The ramstage will load its own %esp so
	 * there is no harm in using this value.
	 */
	movl	$0xa0000, %eax
	movl	%eax, %esp

	/* Restore the BIST result. */
	movl	%ebp, %eax
	movl	%esp, %ebp
	pushl	%eax

before_romstage:
	post_code(0x29)
	/* Call romstage.c main function. */
	call	romstage_main

	post_code(0x30)

__main:
	post_code(POST_PREPARE_RAMSTAGE)
	cld			/* Clear direction flag. */

	call	copy_and_run

.Lhlt:
	post_code(POST_DEAD_CODE)
	hlt
	jmp	.Lhlt